Renamed the project to Umbraco.PublishedCache.NuCache - and move non NuCache related stuff to abstractions and infrastructure.

src/Umbraco.PublishedCache.NuCache/NuCacheComposer.cs

@@ -0,0 +1,44 @@
+using Umbraco.Core;
+using Umbraco.Core.Composing;
+using Umbraco.Core.Models;
+using Umbraco.Core.Scoping;
+using Umbraco.Core.Services;
+using Umbraco.Infrastructure.PublishedCache;
+using Umbraco.Web.PublishedCache.NuCache.DataSource;
+
+namespace Umbraco.Web.PublishedCache.NuCache
+{
+    public class NuCacheComposer : ComponentComposer<NuCacheComponent>, IPublishedCacheComposer
+    {
+        public override void Compose(Composition composition)
+        {
+            base.Compose(composition);
+
+            // register the NuCache database data source
+            composition.Register<IDataSource, DatabaseDataSource>();
+
+            // register the NuCache published snapshot service
+            // must register default options, required in the service ctor
+            composition.Register(factory => new PublishedSnapshotServiceOptions());
+            composition.SetPublishedSnapshotService<PublishedSnapshotService>();
+
+            // replace this service since we want to improve the content/media
+            // mapping lookups if we are using nucache.
+            composition.RegisterUnique<IIdKeyMap>(factory =>
+            {
+                var idkSvc = new IdKeyMap(factory.GetInstance<IScopeProvider>());
+                var publishedSnapshotService = factory.GetInstance<IPublishedSnapshotService>() as PublishedSnapshotService;
+                if (publishedSnapshotService != null)
+                {
+                    idkSvc.SetMapper(UmbracoObjectTypes.Document, id => publishedSnapshotService.GetDocumentUid(id), uid => publishedSnapshotService.GetDocumentId(uid));
+                    idkSvc.SetMapper(UmbracoObjectTypes.Media, id => publishedSnapshotService.GetMediaUid(id), uid => publishedSnapshotService.GetMediaId(uid));
+                }
+                return idkSvc;
+            });
+
+            // add the NuCache health check (hidden from type finder)
+            // TODO: no NuCache health check yet
+            //composition.HealthChecks().Add<NuCacheIntegrityHealthCheck>();
+        }
+    }
+}